Wheel Hub: Service and Repair

Wheel bearing/wheel hub on vehicles with disc brakes, removing and installing

Special tools, testers and auxiliary items required:

^ Hub cap puller VW 637/2
^ Seal installer 3241
^ Installation sleeve wheel brg. 3420
^ Torque wrench V.A.G. 1332
^ Torque wrench V.A.G. 1410

Removing
- Lift vehicle.
- Remove wheel.





Loosen dust cap from seat by tapping lightly on claw with hub cap puller VW 637/2.





- Pull off dust cap.





- Remove securing bolts - A - from brake caliper.
- Remove brake caliper and hang up on body.
- Remove phillips-head screw for brake disc and take out brake disc.
- Remove 12-point nut.





- Pull off wheel bearing/wheel hub unit from stub axle.
A - Puller with leg clamp, e.g. Kukko 20/2





- Pull off bearing inner race from stub axle. Only use puller with leg clamp e.g. Kukko 204-2 (commercial type).

Installing
- Install wheel bearing/wheel hub unit as far as possible on stub axle.




- Attach special tool 3420 and pull wheel bearing/wheel hub unit on to stop.

CAUTION: Make sure that the hubs/wheel bearing unit does not tilt!

- Remove assembly tool 3420 ab.





- Use a new 12-point nut - A - and tighten to 175 Nm.
- Install brake disc.





- Drive in dust cap.

Note:
^ Always replace dust caps.
^ Damaged (dented) dust caps allow ingress of moisture, always use the tool illustrated. Always use tool illustrated to reduce chance of damage to dust cap.

Further installation in reverse order
- Install and fasten wheel go to Tightening torques for wheel bolts.